Gaya APA

Koesoemadinata, . (2020). An introduction into the geology of Indonesia (volume I) (3rd vol). Jakarta: R.P. KOESOEMADINATA.

Gaya MLA

Koesoemadinata, . "An introduction into the geology of Indonesia (volume I)". 3rd vol Jakarta: R.P. KOESOEMADINATA, 2020. Textbook.